#!/usr/bin/env node

/**
 * 示例测试文件
 * 用于 CI/CD 流程中的测试阶段
 */

const http = require('http');
const server = require('./index');

console.log('🧪 开始运行测试套件...');
console.log('=' .repeat(50));

// 测试计数器
let testCount = 0;
let passedCount = 0;
let failedCount = 0;

/**
 * 简单的测试断言函数
 */
function assert(condition, message) {
  testCount++;
  if (condition) {
    console.log(`✅ 测试 ${testCount}: ${message}`);
    passedCount++;
  } else {
    console.log(`❌ 测试 ${testCount}: ${message}`);
    failedCount++;
  }
}

/**
 * 运行所有测试
 */
function runTests() {
  console.log('📋 测试用例列表:');
  console.log('-'.repeat(30));
  
  // 测试 1: 基本功能测试
  assert(typeof require('./index') === 'object', '服务器模块正确导出');
  
  // 测试 2: 环境变量测试
  process.env.NODE_ENV = 'test';
  assert(process.env.NODE_ENV === 'test', '环境变量设置正确');
  
  // 测试 3: 端口配置测试
  const defaultPort = process.env.PORT || 3000;
  assert(typeof defaultPort === 'string' || typeof defaultPort === 'number', '端口配置有效');
  
  // 测试 4: 时间戳测试
  const timestamp = new Date().toISOString();
  assert(timestamp.includes('T') && timestamp.includes('Z'), 'ISO 时间戳格式正确');
  
  // 测试 5: JSON 响应测试
  const mockResponse = {
    message: 'Hello from CI-Pipe Demo!',
    timestamp: new Date().toISOString(),
    version: '1.0.0',
    environment: process.env.NODE_ENV || 'development'
  };
  assert(mockResponse.message && mockResponse.version, 'JSON 响应结构正确');
  
  // 测试 6: 模拟 HTTP 请求测试
  const mockReq = { url: '/', method: 'GET' };
  const mockRes = {
    writeHead: (status, headers) => {
      assert(status === 200, 'HTTP 状态码正确');
      assert(headers['Content-Type'] === 'application/json', 'Content-Type 头正确');
    },
    end: (data) => {
      const parsed = JSON.parse(data);
      assert(parsed.message === 'Hello from CI-Pipe Demo!', '响应消息正确');
    }
  };
  
  // 模拟请求处理
  mockRes.writeHead(200, { 'Content-Type': 'application/json' });
  mockRes.end(JSON.stringify(mockResponse));
  
  console.log('-'.repeat(30));
  console.log('📊 测试结果统计:');
  console.log(`总测试数: ${testCount}`);
  console.log(`✅ 通过: ${passedCount}`);
  console.log(`❌ 失败: ${failedCount}`);
  console.log(`📈 通过率: ${((passedCount / testCount) * 100).toFixed(1)}%`);
  
  if (failedCount === 0) {
    console.log('🎉 所有测试通过！');
    process.exit(0);
  } else {
    console.log('💥 部分测试失败！');
    process.exit(1);
  }
}

// 运行测试
setTimeout(() => {
  runTests();
}, 100);

console.log('⏳ 正在初始化测试环境...');